1. Maclean, J. L., Dawe, D. C., Hardy, B. & Hettel, G. P. Rice Almanac, 3rd ed. International Rice Research Institute, Los Baños, Philippines. 1–253 (2002).
2. Zhang, X., Wang, D., Fang, F., Zhen, Y. & Liao, X. Food safety and rice production in China. Res. Agric. Modernization 26, 85–88 (In Chinese with English abstract) (2005).
3. Normile, D. Reinventing rice to feed the world. Science 321, 330–333 (2008).
4. Ray, D. K. & Foley, J. A. Increasing global crop harvest frequency: recent trends and future directions. Environ. Res. Lett, doi: 10.1088/1748-9326/8/4/044041 (2013).
5. Aureus, M. The Rise of Rice. Rice Today, Jan-Mar. p. 16 (International Rice Research Institute, Los Baños, Philippines, 2011).